Tech Support/Contact | FAQ
Purchase iSailGPS
Navigate with NOAA Nautical Charts on your iPhone®, iPad® and iPod touch®, even with no cell network signal

iSailGPS Help

 These instructions are available within the App by tapping

To use iSailGPS, “Location Services” in the Settings App must be ON.


My Location Screen:

ACTIONRESULT
Tap the “My Location” tab
when already on the
“My Location” screen

Download/Show Chart for Current Location.

Turn on Auto-Center.
1 finger slide

Drag chart.

Turns off Auto-Center.
2 finger pinch

Zoom in or out.*

Turns off Auto-Center.
1 tap with two fingersZoom out 2X.*
2 taps inside chartZoom in 2X.
2 taps in white spaceDownload/Show chart for tapped position.
3 taps inside chartReturn to original scale.
4 tapsZoom out as far as possible.*
5 tapsTotal Reset:

  Show Chart for Current Location at its original scale.

  Turn on Auto-Center.
Tap  Mark    Create a new Waypoint for where you are
or any place on a chart you are viewing.
or    
Share a location or a chart image via AirDrop, Copy, Print, Camera Roll, Email, Twitter, Facebook, or Message.
Tap  Mark   
then tap
 Anywhere on the Chart

Read the location coordinates for any point on the chart.

Measure the distance and direction from your current location to anywhere on the chart.
or    
Select a waypoint on the chart to edit or Go To.

Push and Hold

 Mark   
MOB (Man Overboard)

Create an instant new waypoint for your current location, and start navigation to it as the “Go To” waypoint.
Named with the current date & time.

* The amount of zoom out allowed is limited for large charts on older devices with less than 1 GB of RAM.

Automatic Current-Location Centering:

AUTO - CENTERRESULT
On  

Current Location is kept centered on the screen.

Switches charts while sailing.
Off   Chart position stays fixed where you move it manually.
To turn OnTap the “My Location” tab while the chart is showing.
To turn OffDrag the chart.

Display of your Current Location requires a GPS chip found in all iOS devices that have the ability to connect to a cellular network, or an iOS-compatible external GPS receiver.

Usual Top of My Location Screen (#1*) A “Go To” Waypoint or Route is Set (#2*)
At very slow speeds
 
 
 
At faster speeds
 

* When a “Go To” waypoint or a route is active, tap twice in the top bar to switch between
(#1) and (#2).

Change the units displayed (e.g. degrees, UTM) by using the Settings App.

When using a “Go To” waypoint or a route with waypoints, the Distance and Bearing are for the straight-line to the next waypoint. The ETA and VMG are to the next waypoint. The Cross Track Error is only shown when navigating a leg of a route between waypoints.

When using a route converted from a track log, the Distance is along the curved route to the end of the route. The Bearing is the direction to the next point on the route. The VMG is to the next point on the route. The ETA is to the end of the route.

When the Location Accuracy background turns yellow, this indicates that the GPS satellite signals are not being received properly. Therefore your position may be off.

Removing Chart Margins

The option to remove chart margins is selected using the Settings App.

Remove Chart Margins OFFRemove Chart Margins ON
Chart margins are shown.Chart margins are hidden.
Zoom out to show the entire length
of very long tracks and routes.
Zoom out is limited to less than the size
of the currently visible chart.

In the Chart Area

The direction of the Course Indicator shows Course Over Ground (COG). The length of the Course Indicator is proportional to Speed Over Ground (SOG). At speeds less than 4 knots, the Course Indicator is not shown because GPS Course measurements are not accurate at these slower speeds.

Sharing Locations and Chart Images:

HOW TODO THIS
Email
current location

Tap  Mark    , then  Email Current Location  , then   .

Includes a screen chart image if current location shows on chart.

Email queued in your out box. Sent when the Internet connects.
Send
current location
without a chart image
Drag the chart so that the current location is not visible
before tapping  Mark    .
Email
any location
on the chart

Tap  Mark    , then  Anywhere on the Chart  .

Move the chart to center the desired point under the red crosshairs.

Tap  Mark    , then   Email This Location  .

Includes a screen chart image.

Send
a location
in other
ways

Instead of   Email…  , Tap   Message…  to use the Messages app.

Upgrade to iOS 7 to use Twitter

Tap to post to Twitter.

Upgrade to iOS 7 to use Facebook

Tap to post to Facebook.

Tap  Copy Current Location  to put the location coordinates on the clipboard.

Send
a screen
chart
image
in other
ways

Upgrade to iOS 7 to use AirDrop

Tap to send the chart image to a nearby AirDrop-capable iOS device.

Works even at sea with no cell or Internet connection.

Tap  Copy Chart Image  to put the chart image on the clipboard.

Tap  Save Chart Image In Photos  to add the chart image to the camera roll.

Printing Screen Chart Images:

HOW TODO THIS
Print a screen
chart image with
no crosshairs

Tap  Mark    , then  Print Chart ImageCurrent Location  .

Tap   .

Under Printer Options, select your printer.

Tap  Print  .
Print a screen
chart image with
crosshairs
marking the
location

Tap  Mark    , then  Anywhere on the Chart  .

Move the chart to center the desired point under the red crosshairs.

Tap  Mark    .
Tap   .

Under Printer Options, select your printer.

Tap  Print  .


Track Screen:

Don't Record a Track. Stop Recording.

Record a Track only when iSailGPS is showing on the screen.

Record a Track even when using another App or the iOS device is sleeping.
Will keep recording until you manually turn it off.

To use  Always  , “Background App Refresh” must be On in the Settings App.

When set to  Always  , iSailGPS continues to record a track and to drain the battery more quickly for as long as iSailGPS remains in the Recents List.

Using Tracks:

HOW TODO THIS
Email entire track Tap (Share), then  Entire Track , then   Email  .

In GPX format.

Email queued in your out box. Sent when the Internet connects.
Email only some
track segments
Tap the stepper buttons below the graph so only the desired track segments are visible.
Tap (Share), then  Track Segments…  , then   Email  .
Send the track
to other apps
or other devices

Use AirDrop

Upgrade to iOS 7 to use AirDrop

Use email

Use email

Use Messages

Upgrade to iOS 7 to use Messages

Use Dropbox

Use Dropbox

Use Open In

Use Open In

Use iTunes

Use iTunes

Save the track
within iSailGPS
Tap the “Routes” tab button.

Tap   +  . Tap  Entire Current Track   or   Track Segments…  .

Delete track Manually: Tap the Trash Can to remove the entire track from your device and the iCloud backup.
Auto-Delete: After 8000 track points, the oldest track points are replaced with new ones.
View the track on a chart Tap  View On A Chart  .
Download a chart for the
track if no chart is found

Tap  View On A Chart  .

Tap  Download Chart  .

Recording of tracks requires a GPS chip found in all iOS devices that have the ability to connect to a cellular network, or an iOS-compatible external GPS receiver.

Speed Graph:

HOW TODO THIS
Record an
accurate
speed
history
Start iSailGPS with a clear view of the sky.

Tap the “My Location” tab.

Wait a few minutes to lock on all satellites ( Location Accuracy < 60 ft ).

Tap the “Track“ tab. Tap “Record Track:  Always  ”. Go!
Tap “Record Track:  Off  ” before you stop iSailGPS at the end of the trip.
View time & date
in track
Trace the track on the graph with one finger.
View average
speed in track
Trace the track on the graph with two fingers.

Shows average speed between your two fingers. Average does not include times while you are stopped or track recording is Off.

Print the
speed
graph
Tap (Share),   then  Track Segments… ,   then   Print Graph Image .

Under Printer Options, select your printer.

Under Printer Options, select your printer.

Tap  Print  .
Copy the
speed
graph to the
clipboard
Tap (Share),   then  Track Segments… ,   then   Copy Graph Image .
Save the
speed
graph to the
camera roll
Tap (Share),   then  Track Segments… ,  
then   Save Graph Image In Photos  .

Track Gaps and Track Segments:

What you see on the chartA gap in the track.
What you see on the graph

Dotted blue vertical lines separate track segments.

The distance traveled during a gap is not shown.
Why a Gap Happens Lost GPS Satellite reception.

Switch to Airplane Mode.

Device is turned off or Battery charge goes to zero.

“Record Track” is  Off .

“Record Track” set to  When Live :

       Your iOS device goes to sleep.

       You switch to another App.

“Record Track” set to  Always :

       iOS needs the memory for another App.

      You remove iSailGPS from the Recent Apps list.

Selecting a Range of Track Segments to Display on the Speed Graph:

Left
Choose the beginning track segment to display.

  1 is the oldest recorded track segment.

  The highest number you can get to by tapping +
  is the track segment that is currently being recorded.
Right
Choose the ending track segment to display.

  Set this to the same number as the left control
  to view only that one track segment.

These settings can also be used to select which track segments are used to create a route or to send in a GPX file.


Waypoints Screen:

Waypoint Coordinates are in the WGS 84 datum.

TAPRESULT
   +  Add a new waypoint.
 Share as a GPX file.
a waypoint nameView, Edit, Delete, Go To, or Cancel Go To that waypoint.
  Delete All Clear all waypoints from the iOS device and the iCloud backup.
Status barJump to the top of the list.

A maximum of 4000 waypoints can be stored.

Adding Waypoints:

HOW TODO THIS
Add a waypoint on
the My Location screen
Tap  Mark    to create a waypoint for your current location or
anywhere on the current chart.

Optionally name your waypoint using letters, numbers & spaces.

Optionally erase the date and time in the Note.

Tap  Done  at the top.

Add an instant
MOB (Man Overboard)
waypoint on the
My Location screen
Push and Hold  Mark   
Add a waypoint on
the Waypoints screen

Using Latitude and
Longitude
Tap  +  .

Tap  Latitude & Longitude .

Optionally name your waypoint using letters, numbers & spaces.

Enter latitude & longitude.
  To find coordinates, look up the site's name on Wikipedia.
  In the USA, enter a minus sign in front of longitude numbers.

 Done  at the top.
Add a waypoint on
the Waypoints screen

Using a
Geotagged Photo
from your Photo Library

Tap  +  .

Tap  A Geotagged Photo .

Tap the thumbnail image of the photo.

Optionally name your waypoint using letters, numbers & spaces.

Tap  Done  at the top.
Add waypoint(s) by
importing a GPX or
LOC waypoints file
to your iOS device
from another device

Use AirDrop

Upgrade to iOS 7 to use AirDrop

Use email

Use email

Use Messages

Upgrade to iOS 7 to use Messages

Use Dropbox

Use Dropbox

Use iTunes

Use iTunes

Add waypoint(s) by
importing a GPX or
LOC waypoints file
to iSailGPS
from another
app on your device
Use (Share) in that app.

Details of a Specific Waypoint:

HOW TODO THIS
View the details of a waypoint Tap the waypoint name.
View a waypoint on a chart Tap the waypoint name.

Tap  View On A Chart  .

Download a chart for a waypoint
if no chart is found
Tap the waypoint name.

Tap  View On A Chart  .

Tap  Download Chart  .
Edit a waypoint Tap the waypoint name.

Tap  Edit  at the top.

Make your changes.

Tap  Done .
Move a waypoint to
your current location
Tap the waypoint name.

Tap  Edit  at the top.

Tap  Move To Here .

Tap  Done .
View the distance
between 2 waypoints
Tap the “Routes” tab.

Tap   +  .

Tap  Waypoints .

Tap the name of the 1st waypoint.

Tap the button.

Tap  After this Waypoint .

Tap the name of the 2nd waypoint.

Read the distance.

Tap when you are done.

Sharing Waypoints:

HOW TODO THIS
Email all waypoints Tap (Share), then  All Waypoints , then   Email  .

In GPX format.

Email queued in your out box. Sent when the Internet connects.
Email one waypoint Tap the Waypoint to send.

Tap  Go To  .

Tap  < Waypoints  in the top bar.

Tap (Share), then  “Go To” Waypoint  , then   Email  .

After finishing the email, tap the Waypoint again.

Tap  Cancel Go To  .
Send waypoints
to other apps
or other devices

Use AirDrop

Upgrade to iOS 7 to use AirDrop

Use email

Use email

Use Messages

Upgrade to iOS 7 to use Messages

Use Dropbox

Use Dropbox

Use Open In

Use Open In

Use iTunes

Use iTunes

Deleting Waypoints:

HOW TODO THIS
Delete a waypoint

Tap the waypoint name.

Tap .

or

Swipe waypoint name left.

Tap  Delete  .
Delete ALL waypoints

Create a backup by emailing the waypoints to yourself.

Scroll to the bottom of the page.

Tap  Delete All  .

Confirm by tapping  Delete ALL Waypoints  .

Using “Go To” Waypoints:

A “Go To” Waypoint is a waypoint indicating your planned destination. It can be either the final destination of your trip or some important place along the way.

HOW TODO THIS
Set a “Go To” waypoint Add the waypoint if it is not already on the list.

Tap the waypoint name.

Tap  Go To  .
Clear a “Go To” waypoint

Tap the “Go To” Waypoint name (shown in green).

Tap  Cancel Go To  .

After setting a “Go To” waypoint on the Waypoints screen, the top bar of the “My Location” screen looks like this:
The Estimated Time of Arrival is recalculated every few seconds, based on the your travel history since the “Go To” waypoint was set, and assuming that the trip ahead is similar in speed and direction. The ETA will not appear until you have sailed for a couple of minutes with track recording turned on, so your speed can be more accurately determined.

If your speed exceeds 4 knots, then the Course Over Ground (the direction you are moving relative to ground-based locations) will be shown instead of the compass reading.
HOW TODO THIS
Set a “Go To” Waypoint
from the “My Location” screen
Tap  Mark   .

Tap  Anywhere on the Chart  .

Center the desired waypoint under the red crosshairs.

Tap  Mark   .

Tap  View Existing Waypoint .

Tap  Go To  .

Tap the “My Location” tab.


Routes Screen:

Route point coordinates are in the WGS 84 datum.

SYMBOLTYPE OF ROUTE
  Route Made with Waypoints
  Route Converted from a Track Log
  Route Converted from a Segmented Track Log

TAPRESULT
   + Add a new route.
Don't Show Any RouteNo route is shown on the “My Location” chart.
a route nameSelect that route to view.
    Only the selected route is shown on the “My Location” chart
  Share as a GPX file.
  Edit or navigate that route.
   Delete All Clear all routes from the iOS device and the iCloud backup.
Status barJump to the top of the list.

A maximum of 200 routes can be stored.
Each route can have up to 100 named route waypoints or 8000 unnamed route points.

Adding Routes:

HOW TODO THIS
Add a new Route
using existing
waypoints
Tap  +  .

Tap  Waypoints .

Tap the name of the waypoint where your route will start.

Tap on the first route waypoint line.

Tap  After this Waypoint .

Tap the name of the second waypoint on your route.

Continue adding waypoints until the route is finished.

Name your route using letters, numbers & spaces.

Add a Note (optional).

Tap  Done  at the top.

Add a new Route
by converting
the current track
into a route
Tap   +  .

Tap  Entire Current Track  or  Track Segments…  .

(Set segments on the track screen.)

Tap  Edit .

Name your route using letters, numbers & spaces.

Add a Note (optional).

Tap  Done  at the top.

Add new Route(s) by
importing a GPX
route or track file
to your iOS device
from another device

Use AirDrop

Upgrade to iOS 7 to use AirDrop

Use email

Use email

Use Messages

Upgrade to iOS 7 to use Messages

Use Dropbox

Use Dropbox

Use iTunes

Use iTunes

Add new Route(s) by
importing a GPX
route or track file to
iSailGPS from another
app on your device
Use (Share) in that app.

Details of a Specific Route:

HOW TODO THIS
View the details of a route Tap for that route.
View a route on a chart Tap for that route.

Tap  View On A Chart  .

Download a chart for a route
if no chart is found
Tap for that route.

Tap  View On A Chart  .

Tap  Download Chart  .
Edit a route Tap for that route.
Tap  Edit  at the top.

Make your changes.

Tap  Done .

Navigating a Route:

HOW TODO THIS
Navigate a route Tap for that route.
Tap  Navigate Forward  or  Navigate Reverse  .
Show ETAs to all waypoints,
including the final destination
Turn on track recording

Sharing Routes:

HOW TODO THIS
Email all routes Tap (Share), then  All Routes , then   Email  .

In GPX format.

Email queued in your out box. Sent when the Internet connects.

Email one route Tap the Route to send.

Tap (Share), then  “Selected (✓) Route  , then   Email  .

Send routes
to other apps
or other devices

Use AirDrop

Upgrade to iOS 7 to use AirDrop

Use email

Use email

Use Messages

Upgrade to iOS 7 to use Messages

Use Dropbox

Use Dropbox

Use Open In

Use Open In

Use iTunes

Use iTunes

Deleting Routes:

HOW TODO THIS
Delete a route Tap for that route.
Tap .

or

Swipe route name left. Tap  Delete  .
Delete ALL routes

Create a backup by emailing all routes to yourself.

Scroll to the bottom of the page.

Tap  Delete All  .

Confirm by tapping  Delete ALL Routes  .

Types of Routes:

  Route with Waypoints

Route waypoint names are shown in Italics  to distinguish them from regular waypoints.

While Showing the Details of a Route:


TAPRESULT
 
View On
A Chart
Picks the best already-downloaded chart.

Shows it on the “My Location” screen.

If no chart is found, download a chart for the route.
 
Navigate
Forward
Start at route waypoint 1.

Automatically “Go To” each waypoint in order.

 
Navigate
Reverse
Start at the last waypoint.

Automatically “Go To” each waypoint in reverse order.

a waypoint name (when navigating)Manually make this waypoint the “Go To” waypoint.
 
Cancel
Forward
or
Cancel
Reverse
Stop the currently active navigation.
Swipe waypoint name leftDelete that waypoint from the route.
Clear the whole route from the iOS device
and the iCloud backup.
Status barJump to the top of the list.
  Routes Return to the Routes screen.
   Edit Edit the Route.

After Tapping  Edit :


TAPRESULT
Name textEdit the route name.
Note textEdit the route note.
  Insert a waypoint before or after this waypoint.
a waypoint nameEdit the waypoint name, note, location and altitude,
or delete the waypoint from the route.
   Cancel Keep the route as it was with no changes.
   Done Save changes to the route.

Route waypoint names are shown in Italics  to distinguish them from regular waypoints.

If a route waypoint is identical to a regular waypoint, then they are linked so that only one of them shows on the chart. To break the link:

  • Edit the route waypoint
          or
  • Edit the regular waypoint when the route containing the route waypoint IS NOT selected on the Routes screen.

To edit a waypoint without breaking the link:

  • Edit the regular waypoint when the route containing the route waypoint IS selected on the Routes screen.

Deleting one of the linked waypoints will not delete the other.

  Route Converted from a Track Log

While Showing the Details of a Route:


TAPRESULT
 
View On
A Chart
Picks the best already-downloaded chart.

Shows it on the “My Location” screen.

If no chart is found, download a chart for the route.
 
Navigate
Forward
Follow the route from start to finish.
 
Navigate
Reverse
Follow the route in the opposite direction
 
Cancel
Forward
or
Cancel
Reverse
Stop the currently active navigation.
Clear the whole route from the iOS device
and the iCloud backup.
  Routes Return to the Routes screen.
   Edit Edit the Route.

After Tapping  Edit :


TAPRESULT
Name textEdit the route name.
Note textEdit the route note.
   Cancel Keep the route as it was with no changes.
   Done Save changes to the route.

  Route Converted from a Segmented Track Log

While Showing the Details of a Route:


TAPRESULT
 
View On
A Chart
Picks the best already-downloaded chart.

Shows it on the “My Location” screen.

If no chart is found, download a chart for the route.
 
Navigate
Forward
Start at the beginning of the first route segment. Follow the route to the end of the last segment, including gaps.
 
Navigate
Reverse
Start at the end of the last route segment. Follow the route to the beginning of the first route segment, including gaps.
 
Cancel
Forward
or
Cancel
Reverse
Stop the currently active navigation.
Swipe a Gap leftDelete the Gap to join the two adjacent route Segments.
Swipe a route SegmentDelete that route Segment from the route.
Clear the whole route from the iOS device
and the iCloud backup.
Status barJump to the top of the list.
  Routes Return to the Routes screen.
   Edit Edit the Route.

After Tapping  Edit :


TAPRESULT
Name textEdit the route name.
Note textEdit the route note.
Visible SwitchHide or show that route Segment on the “My Location” chart.
  for a SegmentDelete that route Segment from the route.
  for a GapDelete the Gap to join the two adjacent route Segments together.
   Cancel Keep the route as it was with no changes.
   Done Save changes to the route.


Chart List Screen:

To Download a New Chart *

Tap  +  , then choose one:

TAPTO DOWNLOAD A CHART
Current Location

For where you are.

Relative to Current Chart
North, South, East, or West of the chart currently
showing on the “My Location” screen.
Same Chart Location
A chart with a different scale for the same area.
Coastline Locator
Find the place you want on a coastline map. *
Place Name
or
Chart Name
Search for Latitude and Longitude by:
    Chart name
    NOAA chart number *
    City
    Geographic feature
    Add a comma and the 2 letter state abbreviation.
Latitude & Longitude
In the USA, use a minus sign in front of longitude numbers.
Last Deleted Chart
Re-download the chart you just deleted.
Handy for updating a chart to the latest version.

There are usually several charts for a given location, each with a different scale. Once you obtain the latitude and longitude by using one of the options above, the scale bar shows the available chart scales for that location.

Tap the button for the scale you want, then tap  Add NOAA Chart  .

Up to 500 charts can be stored at one time. They are sorted, first by center latitude and then by center longitude, so charts for adjacent areas tend to be close together in the list.

* The Coastline Locator also shows the border lines of your already-downloaded charts:


HOW TODO THIS
Show the name of an already downloaded chart which is visible
on the “Coastline Locator” screen
Pan the locator map so the crosshairs intersection is inside the chart border lines.

Tap  Done .

Note the Chart Name near the top of the screen.

Tap  Cancel .

The chart list will scroll so the desired chart is visible near the center of the screen.

To Download Charts with Multiple Sections

* Each paper chart has a number, such as 25668, assigned by NOAA to the chart.

Many paper charts have multiple charts printed on one piece of paper. For example there may be one chart section showing an entire bay, and a second chart section showing a close-up of a harbor.

These individual chart sections are indicated by an underline character and a section number added to the end of the chart number. The main chart section is indicated by _1, for example 25668_1. The close-up sections are indicated by _2, _3, etc.

On paper, the close-up chart sections are often shown as insets. In iSailGPS, each chart section is shown individually so that each can have its location properly georeferenced.

To download all sections of a multi-section chart:

  1. Tap the “Chart List” tab.
  2. Tap  +  .
  3. Tap  Place Name or Chart Name .
  4. Enter only the main chart number under  Search for the Coordinates of .
    For example enter 25668, not 25668_1.
  5. Tap  Search  on the keyboard.
  6. In addition to returning location coordinates, under  Search for the Coordinates of  iSailGPS will return the full chart number for the last available chart section. For example enter 25668, tap  Search , and you will see 25668_3. That means that chart 25668 has three chart sections.
  7. To download all three sections, individually download charts 25668_3, 25668_2 and 25668_1.

    Enter the full chart number under  Search for the Coordinates of .

    Tap  Search  on the keyboard.

    Tap  Add NOAA Chart  .

    Repeat for each chart section.

If you have trouble finding the correct chart, try this web site:

WEBSITETO FIND
NOAA Chart Finder Interactive map with Available Charts.

To Access Your Already-Downloaded Charts

Tap one of these options on the Charts List.

A checkmark ✔ shows your choice.

TAPRESULT
Don't Show a NOAA Chart *On the “My Location” screen, view your Tracks, Waypoints, Routes and Current Position on a white background.
USA NOAA Chart for Current Location *
Most detail (smallest downloaded scale)
As you sail: the chart on the “My Location” screen automatically switches to the next already-downloaded NOAA chart to always show your current position on a chart.
USA NOAA Chart for Current Location *
More area (next larger downloaded scale)
A specific chart name on the chart list *This chart shows on the “My Location” screen whether your current location is there or not.

Use this option to view charts for other areas.

* A checkmark ✔ shows your choice. Tap the “My Location” tab to view the chart.

TAPRESULT
Search barFind an ALREADY-DOWNLOADED chart by chart name,
by NOAA chart number, or by latitude & longitude.
   Cancel Stop search, remove on-screen keyboard.
   Edit  Remove a chart: Tap ,  Delete  ,  Done  .
Status barJump to top of the list.

Charts Available within iSailGPS:

NOAA raster marine charts are available for the coasts of the USA mainland, Alaska, Hawaii, and the US-administered islands. Navigable rivers near the coasts and major inland lakes are also included.

Updating Charts:

Individual charts are updated by NOAA when significant changes warrant the update. These changes are published in the “Notice To Mariners”.

To get the new version of a chart that you have already downloaded:

  1. Tap the “Chart List” tab.
  2. Scroll to the chart you want to update. Note the chart scale.
  3. Tap   Edit   at the top left.
  4. Tap the button by the chart name.
  5. Tap   Delete   at the right. The old chart has been removed.
  6. Tap   Done   at the top left.
  7. Tap   +   at the top right.
  8. Tap   Last Deleted Chart  .
  9. Tap the Scale you noted in 2 above.
  10. Tap  Add NOAA Chart  .

If no new version of a particular chart is available, this process will just re-download the same chart version you previously had.

NOAA Charts Legend:

U. S. Chart No. 1

Import:

Use AirDrop, email, Messages, Dropbox, or iTunes.

Use AirDrop to Send Tracks, Waypoints or Routes to iSailGPS:

Requires close proximity, but works even at sea with no cell or internet connection.
  1. Unlock your iOS device. Ask the sender to unlock their iOS device.
  2. Open Control Center on both devices.
  3. Tap .
  4. Tap  Everyone  on both devices.

  5. Close Control Center.
  6. Have the sender tap (Share) in the sending app for the GPX-formatted data.
  7. If the sender sees
    then ask the sender to position his device very close to yours, and wait until he sees

    This may appear quickly, or it could take a couple of minutes. Move the devices closer if it is not working.
  8. Have the sender tap your name. You will see  
  9. Tap  Accept  and you will see  

    Tap  iSailGPS  .

Email Tracks, Waypoints and Routes To iSailGPS:

Requires an Internet connection.
  1. Create an email with a GPX or LOC file attachment on another device.
  2. Send it to your iOS device's email address.
  3. Open it in Mail :
  4. If you see  Tap to Download  or a downward facing arrow, tap it and wait until the download is finished.
  1. Press and hold your finger on the attachment icon button until options similar to these appear.
  1. Tap: Open in iSailGPSOpen in iSailGPS.

Use iMessage to Send Tracks, Waypoints and Routes To iSailGPS:

Requires an Internet connection.
  1. Using the Messages app on another iOS device, create a message with a GPX or LOC file attachment.
  2. Send it using iMessage (not SMS).
  3. Open it in the Messages app on your iOS device.
  4. Tap the gpx file icon once quickly.
  5. Tap (Share).
  1. Tap: Open in iSailGPSOpen in iSailGPS.

Use Dropbox to Send Tracks, Waypoints and Routes To iSailGPS:

Requires an Internet connection.
  1. Install Dropbox on the device that contains the file.
  2. Transfer the GPX or LOC file to this Dropbox.
  3. Install the free Dropbox App on your iOS device.  
  4. Tap the Dropbox App icon.
  5. Tap the desired file.
  6. Tap (Share).
  7. Tap: Open In… Open In…  .
  8. Tap: Open in iSailGPSOpen in iSailGPS.

Use iTunes to Send Tracks, Waypoints and Routes To iSailGPS:

Requires connecting your iOS device to your computer with a USB cable.
  1. Start iTunes on your computer.
  2. Select your iOS device in the left column.
  1. Click “Apps” in the top bar.
  1. Scroll down the page. Under “File Sharing”, click “ iSailGPS”.
  1. To the right, under “ iSailGPS Documents”, click .
  2. Select a GPX or LOC file which is under 5 MBytes in size, then click .
  3. Start iSailGPS on your iOS device.

After Import:

Tab-bar icon badges show the number of new waypoints and/or routes imported.

The Waypoints screen shows the newly imported waypoints.

If the imported file contains a waypoint with a different location but the same name as an existing waypoint, then the new waypoint will be renamed rather than overwriting the existing waypoint. For example a waypoint with a duplicate name of “Shelter Cove” would be renamed “Shelter Cove01”.

The Routes screen shows the newly imported tracks and routes.

If the imported file contains a route or a track with the same name as an existing route, the new route will be renamed rather than overwriting the existing route. For example a route with a duplicate name of “Kingston Route” would be renamed “Kingston Route01”.

Export:

Use AirDrop, email, Messages, Dropbox, Open In, or iTunes.

Send Tracks, Waypoints, Routes or a Screen Chart Image to another iOS device using AirDrop:

Requires close proximity, but works even at sea with no cell or internet connection.
  1. Unlock your iOS device. Ask the intended recipient to unlock their iOS device.
  2. Open Control Center on both devices.
  3. Tap to see

    Tap  Everyone  on both devices.

  4. Close Control Center.
  5. Tap , , or .
  6. Tap (Share)   or    Mark    .
  7. Tap   Track Segments…   or   Entire Track   or
    Tap   “Go To” Waypoint    or   All Waypoints   or
    Tap   Selected (✓) Route   or   All Routes   or
    Tap   Current Location      or   Anywhere on the Chart  .
  8. If you see
    then ask the intended recipient to unlock their iOS device if it has gone into sleep mode. Position your device very close to theirs, and wait until you see

    This may appear quickly, or it could take a couple of minutes. Move the devices closer if it is not working.
  9. Tap the intended recipient. He will see something like
  and then  

Send Tracks, Waypoints or Routes by Email:

Use any time. eMail will be queued until you have an Internet connection.
  1. Tap , or .
  2. Tap (Share).
  3. Tap   Track Segments…   or   Entire Track   or
    Tap   “Go To” Waypoint    or   All Waypoints   or
    Tap   Selected (✓) Route   or   All Routes  .
  4. Tap   Email  .
  5. Enter an email address in the To: area.
  6. Optionally change the Subject and the body of the email.
  7. Tap  Send .

Send Tracks, Waypoints or Routes to Another Apple Device through Messages:

Requires an Internet connection.
  1. Tap , or .
  2. Tap (Share).
  3. Tap   Track Segments…   or   Entire Track   or
    Tap   “Go To” Waypoint    or   All Waypoints   or
    Tap   Selected (✓) Route   or   All Routes  .
  4. Tap   Message  . You may need to wait several seconds for the New Message screen to appear while the operating system checks for network availability.
  5. Enter a phone number or an iCloud email address in the To: area.
  6. Optionally change the text of the message.
  7. Tap  Send .

Send Tracks, Waypoints or Routes through Dropbox:

Use any time. File will be queued until you have an Internet connection.
  1. Install the free Dropbox App on your iOS device.
  2. Tap , or .
  3. Tap (Share).
  4. Tap   Track Segments…   or   Entire Track   or
    Tap   “Go To” Waypoint    or   All Waypoints   or
    Tap   Selected (✓) Route   or   All Routes  .
  5. Tap    Open In… Open In…    to show  
  6. Tap: Open in DropboxOpen in Dropbox.
  7. Tap  Save .

Send Tracks, Waypoints or Routes to Another App on your iOS device

The other app must accept files in GPX format.
  1. Tap , or .
  2. Tap (Share).
  3. Tap   Track Segments…   or   Entire Track   or
    Tap   “Go To” Waypoint    or   All Waypoints   or
    Tap   Selected (✓) Route   or   All Routes  .
  4. Tap    Open In… Open In…    to show  
  5. Tap the app icon.

Send Tracks, Waypoints or Routes to Your Computer through iTunes:

Requires connecting your iOS device to your computer with a USB cable.
  1. Tap , or .
  2. Tap (Share).
  3. Tap   Track Segments…   or   Entire Track   or
    Tap   “Go To” Waypoint    or   All Waypoints   or
    Tap   Selected (✓) Route   or   All Routes  .
  4. Tap “Send Via iTunes” Send Via iTunes  .
  5. Connect the iOS device to your computer.
  6. Start iTunes on your computer.
  7. Select your iOS device in the left column.
  1. Click “Apps” in the top bar.
  1. Scroll down the page. Under “File Sharing”, click “ iSailGPS”.
  1. To the right, select a GPX file.
  1. Click .
  2. Select a folder, then click .
  3. Open the GPX file using the chart plotter program of your choice, such as MacGPS Pro on the Mac or Maptech Chart Navigator on Windows.
  4. To remove a file from “ iSailGPS Documents”, select it, then push the “delete” key.

Choose your Settings for iSailGPS:

Push the Home button to exit iSailGPS.
Start the Settings App.
Scroll down to iSailGPS. Tap it.

OPTIONAVAILABLE SETTINGS
Auto-Lock

ON *      Use the system Auto-Lock setting.

OFF       Never Auto-Lock.
Remove Chart Margins

ON         Show only the actual chart area without the information in the margins.

OFF       Show the information in the chart margins.
Position Format

ddd.ddddd°        Degrees

ddd°mm.mm' *   Degrees Minutes

ddd°mm'ss.s"     Degrees Minutes Seconds

UTM / UPS         Universal Transverse Mercator Grid Coordinate System
Distance Units statute miles         speed: miles per hour

nautical miles *     speed: knots

kilometers             speed: km per hour
Elevation Units

feet *

meters
Direction Units

° True *              Degrees clockwise from True North

° Magnetic       Degrees clockwise from Magnetic Compass North
Show Waypoint Notes

ON *     Waypoint Notes overlaid on the chart.

OFF     Waypoint Notes not visible on the chart.
Proximity Sensor

ON        Turn off the screen when near an object.

OFF *    Don't use the Proximity Sensor.
* Default Setting
  Not all iOS devices have a proximity sensor.
If you ever see
on the My Location Screen
or

If you tapped “ Don't Allow ” when asked to use your Current Location:

 

To use iSailGPS, “Location Services” in the Settings App must be ON.

  1. Push the Home button to exit iSailGPS.
  2. Start the Settings App.
  3. Tap “Privacy”.
  4. Tap “Location Services”.
  5. Make sure Location Services is ON.
  6. Scroll Down to iSailGPS.
  7. Tap it, then tap “While Using the App”.
  8. Push the Home button to leave the Settings App.
  9. Restart the iSailGPS App.

Battery Life:

You can turn off several settings to reduce the iOS device's drain on its battery when you are using iSailGPS on a long trip. Adjust the following settings in Apple's “Settings” App:
  • Tap “Wi-Fi”, then turn off Wi-Fi.
  • Tap “General”, then “Bluetooth”. Turn Bluetooth off.
  • Tap “Brightness”, then turn down the screen brightness to the lowest acceptable level.
  • Tap “iCloud”, then tap “Documents & Data”, turn off “Use Cellular”.
  • Tap “Mail, Contacts, Calendars”. Tap “Fetch New Data”. Turn off “Push” and tap “Manually” under Fetch.
  • Tap “Store”, then turn off “Use Cellular Data”. (Turn this back on if you need to download a chart.)
  • Open Control Center by swiping up from the bottom of any screen.
    • Turn off Wi-Fi.
    • Turn off Bluetooth.
    • Turn down the screen brightness to the lowest acceptable level.
  • Open Apple's “Settings” App.
    • Tap “Cellular”, then turn off “Cellular Data”. (Turn this back on if you need to download a chart.)
Also:
  • Plug the iOS device into a charger before your trip so that you start with a completely charged battery.
  • On the Track Screen, select  Always  when you start your trip. Put the iOS device to sleep when you are not looking at it. When you drop anchor or dock, on the Track Screen select  Off .
    (Don't forget to turn Track Recording back on before resuming your trip.)

If you follow all the steps, you may be able to record tracks for about 10 to 12 hours of actual sailing. Use an external battery pack to extend this time.

We Listen to You:

Question or Suggestion?   lwjames@iSailGPS.com   (303) 258-0576

Safety:

This iOS App must not be relied on as any part of a primary means of navigation. It must not be used in a way that safety or property depends on its successful operation. Always carry a compass and paper charts as a backup. Don't run your battery down so far that you can't make an emergency call if needed. James Associates Inc. accepts no liability, including incidental or consequential damages, for any injury or damages that may occur from the use of iSailGPS.

©2014 James Associates Inc.
iSailGPS.com

  Company Info | Privacy Policy     ©2014 James Associates Inc. All rights reserved.